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52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914724225243206 8.6921e-08  
a 2.296008347021915 1.1182e-08 au
q 1.856386066681568 2.0016e-07 au
i 7.376549685910462 8.6563e-06 deg
node 21.43529840554588 3.7568e-05 deg
peri 337.9593187943962 4.0731e-05 deg
M 56.80554660729057 1.7433e-05 deg
tp 2457399.985001595948
(2016-Jan-12.48500160)
6.0997e-05 JED
period 1270.745617932215
3.48
9.2834e-06
2.542e-08
d
yr
n .2832982423231173 2.0696e-09 deg/d
Q 2.735630627362262 1.3323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8809 days (24.12 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60271  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 17:44:22  

Additional Information
 Earth MOID = .854776 au 
 Jupiter MOID = 2.70957 au 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257213  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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